134 lines
3 KiB
C
134 lines
3 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <inttypes.h>
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#include <sched.h> /* IWYU pragma: keep */
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#include <setjmp.h>
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define UNIT_TESTING
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#include <cmocka.h>
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#include <isc/symtab.h>
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#include <isc/util.h>
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#include <tests/isc.h>
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static void
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undefine(char *key, unsigned int type, isc_symvalue_t value, void *arg) {
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UNUSED(arg);
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assert_int_equal(type, 1);
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isc_mem_free(mctx, key);
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isc_mem_free(mctx, value.as_pointer);
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}
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/* test symbol table growth */
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ISC_RUN_TEST_IMPL(symtab_grow) {
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isc_result_t result;
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isc_symtab_t *st = NULL;
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isc_symvalue_t value;
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isc_symexists_t policy = isc_symexists_reject;
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int i;
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UNUSED(state);
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result = isc_symtab_create(mctx, 3, undefine, NULL, false, &st);
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assert_int_equal(result, ISC_R_SUCCESS);
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assert_non_null(st);
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/* Nothing should be in the table yet */
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/*
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* Put 1024 entries in the table (this should necessate
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* regrowing the hash table several times
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*/
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for (i = 0; i < 1024; i++) {
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char str[16], *key;
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snprintf(str, sizeof(str), "%04x", i);
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key = isc_mem_strdup(mctx, str);
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assert_non_null(key);
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value.as_pointer = isc_mem_strdup(mctx, str);
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assert_non_null(value.as_pointer);
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result = isc_symtab_define(st, key, 1, value, policy);
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assert_int_equal(result, ISC_R_SUCCESS);
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if (result != ISC_R_SUCCESS) {
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undefine(key, 1, value, NULL);
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}
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}
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/*
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* Try to put them in again; this should fail
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*/
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for (i = 0; i < 1024; i++) {
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char str[16], *key;
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snprintf(str, sizeof(str), "%04x", i);
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key = isc_mem_strdup(mctx, str);
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assert_non_null(key);
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value.as_pointer = isc_mem_strdup(mctx, str);
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assert_non_null(value.as_pointer);
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result = isc_symtab_define(st, key, 1, value, policy);
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assert_int_equal(result, ISC_R_EXISTS);
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undefine(key, 1, value, NULL);
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}
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/*
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* Retrieve them; this should succeed
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*/
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for (i = 0; i < 1024; i++) {
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char str[16];
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snprintf(str, sizeof(str), "%04x", i);
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result = isc_symtab_lookup(st, str, 0, &value);
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assert_int_equal(result, ISC_R_SUCCESS);
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assert_string_equal(str, (char *)value.as_pointer);
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}
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/*
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* Undefine them
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*/
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for (i = 0; i < 1024; i++) {
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char str[16];
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snprintf(str, sizeof(str), "%04x", i);
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result = isc_symtab_undefine(st, str, 1);
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assert_int_equal(result, ISC_R_SUCCESS);
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}
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/*
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* Retrieve them again; this should fail
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*/
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for (i = 0; i < 1024; i++) {
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char str[16];
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snprintf(str, sizeof(str), "%04x", i);
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result = isc_symtab_lookup(st, str, 0, &value);
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assert_int_equal(result, ISC_R_NOTFOUND);
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}
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isc_symtab_destroy(&st);
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}
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ISC_TEST_LIST_START
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ISC_TEST_ENTRY(symtab_grow)
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ISC_TEST_LIST_END
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ISC_TEST_MAIN
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